Home / 7,708.63-10,637.95-4,171.85

Finding the Fourth Proportional to 7,708.63, 10,637.95 and 4,171.85

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Solution

The fourth proportional to 7,708.63, 10,637.95 and 4,171.85 is: 5,757.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.63 : 10,637.95 = 4,171.85 : x
  2. Step 2: Convert to fraction form
    7,708.63/10,637.95 = 4,171.85/x
  3. Step 3: Cross multiply
    7,708.63x = 10,637.95 × 4,171.85
  4. Step 4: Simplify right side
    7,708.63x = 44,379,868.09
  5. Step 5: Solve for x
    x = 44,379,868.09/7,708.63
  6. Step 6: Final answer
    x = 5,757.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.